Datasheet LT1787, LT1787HV (Analog Devices) - 8

LT1787/LT1787HV
W U TYPICAL PERFORMANCE CHARACTERISTICS Step Response at Step Response at Step Response at VSENSE = 0V to 10mV VSENSE = 0V to 128mV VSENSE = 0V to 128mV
10mV 100mV 100mV 0V 0V 0V 80mV 1V 1V 500mV 500mV 0V 0V 0V COUT = 0pF 1787 G12 C C OUT = 1000pF 1787 G13 OUT = 0pF 1787 G18
Step Response at Step Response at Step Response at VSENSE = 0V to –128mV VSENSE = 0V to –128mV VSENSE = – 128mV to 128mV
0V 0V 100mV 0V – 100mV –100mV – 100mV 0V 0V 1V – 500mV –500mV 0V – 1V –1V –1V C C OUT = 1000pF 1787 G14 C OUT = 0 1787 G19 OUT = 0 1787 G20
Step Response at VOUT Error vs Supply Ripple VSENSE = 128mV to –128mV Voltage (VSENSE =
±
128mV) Output Voltage vs Sense Voltage
1000 16 V – = 18V 100mV 900 14 S V 12 BIAS = 0V –100mV 800 VEE = –18V 10 700 8 1V 600 6 0V 500 4 0.5% 5% –1V 400 2 1% 0 300 OUTPUT VOLTAGE (V) 2% –2 200 VOUT ERROR C SUPPLY RIPPLE VOLTAGE (mV) –4 OUT = 2200pF 1787 G15 LESS THAN 0.1% 100 –6 0 –8 100 1k 10k 100k 1M –0.8 –0.4 0 0.4 0.8 1.2 1.6 2.0 FREQUENCY (Hz) SENSE VOLTAGE (V + – S – VS ) (V) 1787 G16 1787 G21 1787fc 8